Finding the Third Proportional to 16,685,064 and 25,821,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,685,064 : 25,821,463.50 = 25,821,463.50 : x
2. Step 2: Convert to fraction form
   16,685,064/25,821,463.50 = 25,821,463.50/x
3. Step 3: Cross multiply
   16,685,064x = 25,821,463.50 × 25,821,463.50
4. Step 4: Simplify right side
   16,685,064x = 666,747,977,281,832.25
5. Step 5: Solve for x
   x = 666,747,977,281,832.25/16,685,064
6. Step 6: Final answer
   x = 39,960,768.34